A cooling water cover of electromotive motorcar electromotor
A cooling water jacket, electric vehicle technology, applied in electric vehicles, motors, electric components and other directions, can solve the problems of unreasonable structure, unreasonable, incomprehensible, etc., to achieve simple water channel structure, convenient processing and manufacturing, large contact area. Effect
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[0037] The specific embodiment that the present invention takes to the structure of cooling channel 3 is as follows:
[0038] The groove of the cooling water channel 3 shown in Figure 1, Figure 2 and Figure 4 is located on the inner circle of the water jacket body 1, and its shape is a spiral, forming a spiral groove 14, between adjacent spiral grooves 14 Groove side wall 15 is formed, and at the two ends of the helix, a water inlet and outlet 4 are respectively arranged on the water jacket body 1 to communicate with it, and the water inlet and outlet 4 are through holes, leading to the outer surface of the water jacket body 1 . Figure 1 and Figure 4 show the internal structure of the cooling water jacket 16, since the inner surface of the water jacket body 1 is a spiral groove, so in Figure 1, there are 4 grooves on the top of the cross-sectional view, and only 3 grooves on the bottom groove. The groove side wall 15 increases the contact area with the cooling water, increas...
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